1 files changed, 35 insertions, 0 deletions
diff --git a/src/utils/general_utils.h b/src/utils/general_utils.h
new file mode 100644
index 0000000..14757a9
--- /dev/null
+++ b/src/utils/general_utils.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <cmath>
+#include <vector>
+#include <iostream>
+
+using std::abs;
+using std::vector;
+using std::cerr;
+using std::endl;
+
+template <typename T1, typename T2>
+inline bool is_close(const T1& x1, const T2& x2, const double &precision = 1e-12)
+{
+    return abs(x1-x2) < precision;
+}
+
+//double linspace(double minval, double maxval, double npoints);
+
+template <typename T>
+vector<T> range(const T &minval, const T &maxval, const T &step)
+{
+    vector<T> ret;
+    if (maxval <= minval || step <= 0)
+    {
+        cerr << "Invalid range parameters" << endl;
+        // because i don't have time to cover all cases
+        exit(1);
+    }
+    int n = floor((maxval - minval) / step);
+    ret.reserve(n);
+    for (T val = minval; val < maxval; val += step)
+        ret.push_back(val);
+    return ret;
+}
+\ No newline at end of file